Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Que nomes de subdivisão (RU) têm um código de by-hr?
 ###Tabelas: CREATE TABLE world_championships_women (world_championships_women_id AUTO_INCREMENT PRIMARY KEY, Year INT, Place VARCHAR, Gold VARCHAR, Silver VARCHAR, Bronze VARCHAR) CREATE TABLE performance_against_each_opponent (performance_against_each_opponent_id AUTO_INCREMENT PRIMARY KEY, Matches INT, Innings INT, Not out INT, Runs INT, High Score INT, Average INT) CREATE TABLE current_codes (current_codes_id AUTO_INCREMENT PRIMARY KEY, Code VARCHAR, Subdivision name ( be ) (BGN/PCGN) VARCHAR, Subdivision name ( be ) (GOST) VARCHAR, Subdivision name ( ru ) (BGN/PCGN) VARCHAR, Subdivision name ( ru ) (GOST) VARCHAR, Subdivision category VARCHAR) CREATE TABLE current_line_of_headphones (current_line_of_headphones_id AUTO_INCREMENT PRIMARY KEY, Headphone Model VARCHAR, Headphone Class VARCHAR, Driver-matched dB VARCHAR, Construction VARCHAR, Earpads VARCHAR, Termination VARCHAR, US MSRP VARCHAR) CREATE TABLE tour_dates (tour_dates_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, City VARCHAR, Country VARCHAR, Venue VARCHAR, Tickets available since VARCHAR, Attendance INT, Comment VARCHAR)  
SELECT Subdivision name ( ru ) (BGN/PCGN) FROM current_codes WHERE Code = BY-HR